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v,A 



PREFACE TO VOLUME I. 



THAT this volume has been completed in a shorter time than 

 was considered probable when we commenced publication will, 

 we believe, be appreciated by our readers. 



In order to avoid the inconvenience of having to consult 

 two lists of addenda and corrigenda it has been thought best to 

 leave these over until the end of the work, when a complete list 

 will be given. 



We gladly avail ourselves of this opportunity to thank all 

 those who have given us assistance, which shall be more parti- 

 cularized when our task is finished, and to state that we should 

 greatly welcome criticisms and information which would lead to 

 greater accuracy and completeness in the detail of the work. 



THE EDITOR. 

 March 22nd, 1920. 



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